28261272
28,261,272 is an even composite number composed of five prime numbers multiplied together.
28261272 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 28261272:
23 × 3 × 13 × 239 × 379
(2 × 2 × 2 × 3 × 13 × 239 × 379)See below for interesting mathematical facts about the number 28261272 from the Numbermatics database.
Names of 28261272
- Cardinal: 28261272 can be written as Twenty-eight million, two hundred sixty-one thousand, two hundred seventy-two.
Scientific notation
- Scientific notation: 2.8261272 × 107
Factors of 28261272
Divisors of 28261272
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 239 312 379 478 717 758 956 1137 1434 1516 1912 2274 2868 3032 3107 4548 4927 5736 6214 9096 9321 9854 12428 14781 18642 19708 24856 29562 37284 39416 59124 74568 90581 118248 181162 271743 362324 543486 724648 1086972 1177553 2173944 2355106 3532659 4710212 7065318 9420424 14130636 28261272
- Sum of all divisors σ(n): 76608000
- Sum of proper divisors (its aliquot sum) s(n): 48346728
- 28261272 is an abundant number, because the sum of its proper divisors (48346728) is greater than itself. Its abundance is 20085456
Bases of 28261272
- Binary: 11010111100111011100110002
- Hexadecimal: 0x1AF3B98
- Base-36: GTQJC
Squares and roots of 28261272
- 28261272 squared (282612722) is 798699495057984
- 28261272 cubed (282612723) is 22572263676096341595648
-
The
square root of 28261272 is 5316.1331811759 -
The
cube root of 28261272 is 304.6004694337
Scales and comparisons
How big is 28261272?- 28,261,272 seconds is equal to 46 weeks, 5 days, 2 hours, 21 minutes, 12 seconds.
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To count from 1 to 28,261,272 would take you about eighteen weeks!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 28261272 cubic inches would be around 25.4 feet tall.
Recreational maths with 28261272
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The information we have on file for 28261272 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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